Home / 147,054.13-220,614-53,559.88

Finding the Fourth Proportional to 147,054.13, 220,614 and 53,559.88

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Solution

The fourth proportional to 147,054.13, 220,614 and 53,559.88 is: 80,351.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,054.13 : 220,614 = 53,559.88 : x
  2. Step 2: Convert to fraction form
    147,054.13/220,614 = 53,559.88/x
  3. Step 3: Cross multiply
    147,054.13x = 220,614 × 53,559.88
  4. Step 4: Simplify right side
    147,054.13x = 11,816,059,366.32
  5. Step 5: Solve for x
    x = 11,816,059,366.32/147,054.13
  6. Step 6: Final answer
    x = 80,351.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.